package day04;

public class Test {
    public static void main(String[] args) {
        System.out.println(Math.random()); //0.0到0.999999999...

        int result = 1;
        for (int i = 1; i <= 8; i++) {
            result *= i;
        }
        System.out.println("8 的阶乘是 " + result);
    }

}
